I know the VHT takes a back seat to the NPB for most observers but I would like to offer this great "mid-band" LPR filter on sale at $50 and $100 (1.25" & 2.0" format respectively). Usual list price is $70 and $140. Sale price includes free shipping to lower 48 states.
For International Orders send inquires to: email@example.com
*** This offer is good only when ordering direct from DGM Optics ***
Basic VHT specs:
Peak TX% = 96-97%
Ave. TX% 486-505nm = 90-92%
Bandwidth = 320nm +/- 2nm
TX% @ 656.3 = 85% minimum
Coating Technology = Ultra-Durable, Ion Assisted Sputtering.
Substrate = Polished Quartz.
And, besides being an excellent astrofilter for smaller scopes, the VHT has also proven to be a very useful CCD filter.
DGM Optics VHT Astrofilter on Sale!
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